FR2450449B1 - - Google Patents
Info
- Publication number
- FR2450449B1 FR2450449B1 FR7905543A FR7905543A FR2450449B1 FR 2450449 B1 FR2450449 B1 FR 2450449B1 FR 7905543 A FR7905543 A FR 7905543A FR 7905543 A FR7905543 A FR 7905543A FR 2450449 B1 FR2450449 B1 FR 2450449B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/33—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face
- G01M11/333—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face using modulated input signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/33—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face
- G01M11/335—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face using two or more input wavelengths
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
- H01S5/0687—Stabilising the frequency of the laser
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7905543A FR2450449A1 (fr) | 1979-03-02 | 1979-03-02 | Appareillage et procede de mesure de la fonction de transfert d'une fibre optique |
| US06/125,088 US4280765A (en) | 1979-03-02 | 1980-02-27 | Optical fiber transfer function measuring system |
| EP80400277A EP0015830B1 (fr) | 1979-03-02 | 1980-02-28 | Appareillage de mesure du module de la fonction de transfert d'une fibre optique et son utilisation |
| CA346,609A CA1126532A (en) | 1979-03-02 | 1980-02-28 | Optical fiber transfer function measuring system |
| DE8080400277T DE3060839D1 (en) | 1979-03-02 | 1980-02-28 | Apparatus for the measurement of the transfer function modules of an optical fiber and its use |
| JP2535580A JPS55119037A (en) | 1979-03-02 | 1980-03-03 | Device for measuring transfer function of optical fibers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7905543A FR2450449A1 (fr) | 1979-03-02 | 1979-03-02 | Appareillage et procede de mesure de la fonction de transfert d'une fibre optique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2450449A1 FR2450449A1 (fr) | 1980-09-26 |
| FR2450449B1 true FR2450449B1 (US20100170793A1-20100708-C00006.png) | 1981-10-16 |
Family
ID=9222718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7905543A Granted FR2450449A1 (fr) | 1979-03-02 | 1979-03-02 | Appareillage et procede de mesure de la fonction de transfert d'une fibre optique |
Country Status (6)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4838032A (en) * | 1986-02-06 | 1989-06-13 | General Signal Corporation | Optical signal power measurement method and apparatus |
| US4726676A (en) * | 1986-02-06 | 1988-02-23 | General Signal Corporation | Optical signal power measurement method and apparatus |
| DE3606558A1 (de) * | 1986-02-28 | 1987-09-03 | Philips Patentverwaltung | Messanordnung zur ermittlung der laengenabhaengigen daempfung von monomode-lichtwellenleitern nach dem rueckstreuverfahren |
| US4829596A (en) * | 1987-02-09 | 1989-05-09 | Allen-Bradley Company, Inc. | Programmable controller with fiber optic input/output module |
| US6721467B2 (en) | 2001-06-07 | 2004-04-13 | 3M Innovative Properties Company | Method and apparatus for aligning the polarization of a polarization maintaining optical fiber to the polarization of a light source |
| AU2003213579B2 (en) * | 2002-03-04 | 2008-11-13 | Glowlink Communications Technology | Detecting and measuring interference contained within a digital carrier |
| DE102005016522A1 (de) * | 2005-03-14 | 2006-10-05 | Phoenix Contact Gmbh & Co. Kg | Diagnoseverfahren und Diagnosechip zur Bandbreitenbestimmung optischer Fasern |
| DE102006042525A1 (de) * | 2005-04-08 | 2008-03-27 | Phoenix Contact Gmbh & Co. Kg | Diagnoseverfahren und Diagnosechip zur Bandbreitenbestimmung optischer Fasern |
| ES2397533T3 (es) * | 2006-09-07 | 2013-03-07 | Phoenix Contact Gmbh & Co. Kg | Procedimiento de diagnóstico y chip de diagnóstico para determinar al ancho de banda de fibras ópticas |
| US10025039B1 (en) | 2017-01-17 | 2018-07-17 | Kevin M. Ehringer Inc. | Optical fiber polarity tester |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2296842A1 (fr) * | 1974-12-31 | 1976-07-30 | Bouillie Remy | Appareil permettant la mesure du module de la fonction de transfert d'une fibre optique |
| JPS5917771B2 (ja) * | 1976-08-06 | 1984-04-23 | 住友電気工業株式会社 | 光ファイバの周波数特性測定方法 |
| JPS5347701A (en) * | 1976-10-13 | 1978-04-28 | Nippon Telegr & Teleph Corp <Ntt> | Optical sweep signal generator |
-
1979
- 1979-03-02 FR FR7905543A patent/FR2450449A1/fr active Granted
-
1980
- 1980-02-27 US US06/125,088 patent/US4280765A/en not_active Expired - Lifetime
- 1980-02-28 EP EP80400277A patent/EP0015830B1/fr not_active Expired
- 1980-02-28 DE DE8080400277T patent/DE3060839D1/de not_active Expired
- 1980-02-28 CA CA346,609A patent/CA1126532A/en not_active Expired
- 1980-03-03 JP JP2535580A patent/JPS55119037A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| EP0015830B1 (fr) | 1982-09-15 |
| FR2450449A1 (fr) | 1980-09-26 |
| JPH028644B2 (US20100170793A1-20100708-C00006.png) | 1990-02-26 |
| DE3060839D1 (en) | 1982-11-04 |
| US4280765A (en) | 1981-07-28 |
| EP0015830A1 (fr) | 1980-09-17 |
| JPS55119037A (en) | 1980-09-12 |
| CA1126532A (en) | 1982-06-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| TP | Transmission of property | ||
| ST | Notification of lapse |